Bolton could be set to sizzle in another blast of heat amid predictions warm weather could hold out until December.

The mercury will rise this weekend with 30C temperatures set to to bake parts of the country next week.

Forecasters say the warm weather could continue through September and possibly beyond.

Typically, southern Britain will see the best of the sunshine but even Bolton and the northwest is likely to stay warmer than normal through the next three months, according to the latest long-range outlook.

Anomalies in the waters around the UK will drive a tendency towards above-average temperatures until December, the Met Office said in its three-month contingency planner.

A Met Office spokesman said: “Sea surface temperatures across much of the northern North Atlantic Ocean remain below average.

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“This pattern moderately increases the chances of high pressure over Northern Europe during September.

“In early autumn, high pressure is often associated with above-average temperatures.

“Meanwhile, sea surface temperatures close to the UK continue to be well above average following the hot summer.

“For September and for September-October-November as a whole, above-average temperatures are more likely than below-average temperatures.”

Warmer weather will start creeping into the north through at the back end of September, according to the Met Office.

Spokeswoman Nicola Maxey told The Express: “There is a chance that next week we will start to see high pressure build from the Azores and this will cause a rise in temperatures."